织梦站群用onchange事件切换dedecms管理后台

织梦DedeCMS做站群的时候，往往有多个管理后台，逐个登录非常繁琐，网上也有整合的软件，但总感觉安全性不行，毕竟要事先写好用户名和密码，万一被攻击。可是一大片的损失啊，所以还是各自独立的好。

下面是用Javascript的onchange事件，实现多后台切换，打开/dede/templets/index2.htm，找到logo图片的附近，增加代码如下

切换后台

前台效果如下

Javascript的onchange事件

1、定义和用法

onchange 事件会在域的内容改变时发生。

2、语法

onchange="SomeJavascriptCode"

说明：SomeJavascriptCode必需。规定该事件发生时执行的 Javascript

3、支持该事件的 HTML 标签：

, </p> <p> </p> <p> 4、支持该事件的 Javascript 对象：</p> <p> fileUpload, select, text, textarea</p> <p> </p> <p> 5、案例是让Select菜单跳转到新窗口打开</p> <p> <select name="select" onchange="window.open(this.options[this.selectedIndex].value)"></p> <p> 如果是在本窗口打开</p> <p> <select name="select" onchange="window.location=this.options[this.selectedIndex].value"></p> <p> 使用的时候注意合理运用就好。</p> <p> </p> <p> 当然可以把事件单独写。</p> <table style="border:1px solid #EAED9C;width:660px;"> <tbody> <tr> <td> <pre class="brush:php;toolbar:false"> <html> <head> </head> <body> <select name="select" onchange="upperCase()"> <option value="网站1管理后台地址" >网站1</option> <option value="网站2管理后台地址" >网站2</option> <option value="网站3管理后台地址" >网站3</option> </select> </body> </html></pre> </td> </tr> </tbody> </table> <br /></div> </div> <div style="clear: both;"></div> <div class="author-info fl"> <div><span class="gray">转载请注明：</span>文章转载自 <a href="https://www.mshxw.com/" class="blue">www.mshxw.com</a></div> <div><span class="gray">本文地址：</span><a 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